Chicago · permit 100740461

400 N MICHIGAN AVE

THE CURRENT USE/OCCUPANCY OF THE BUILDING IS BUSINESS AND PROPOSED USE/OCCUPANCY IS BUSINESS. SCOPE OF WORK INCLUDES ALTERING STRUCTURE AND ARCHITECTURE TO ACCOMMODATE A SECOND MEANS OF EGRESS FROM THE TOWER FLOORS 23-26 OF THE WRIGLEY BUILDING. EXISTING EXTERIOR EGRESS STAIR PROVIDING EXIT FROM THE 19-18TH FLOORS IS ALSO BEING REPLACED TO BE CODE COMPLIANT. BOTH STAIRS HAVE BEEN GRANTED EXCEPTIONS THROUGH THE ALTERNATE CODE APPROVAL PROCESS. ELECTRICAL AND FIRE PROTECTION ALTERATIONS/IMPROVEMENTS ARE TO BE DONE TO FLOORS 23-26 AND 18TH FLOOR EXTERIOR.